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Concentrated surfactant composition

a technology of surfactant composition and concentration, which is applied in the direction of detergent compositions, surface-active detergent compositions, chemistry apparatuses and processes, etc., can solve the problems of viscosity and stability challenges, processing or use difficulties, and difficult transportation, handling or processing

Active Publication Date: 2017-12-12
THE PROCTER & GAMBLE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent is about using organic acid to improve the stability of sulfated surfactants in compositions. Surfactants tend to break down over time when exposed to acidic conditions, which can cause them to lose their effectiveness. However, organic acid is added to stabilize the surfactant and prevent this breakdown. This helps to maintain the quality and effectiveness of the products that use the sulfated surfactant. As a measure of stability, there is a method called ppm (parts per million) that measures the amount of sulfate in a sample.

Problems solved by technology

However, concentrated compositions can lead to viscosity and stability challenges.
For example, concentrated surfactant compositions may be too “thick” and lead to difficulties in processing or usage.
However, such compositions may remain relatively “thick” (e.g., viscosities of about 40 Pa*s at 1 s−1 or more) and can be challenging to transport, handle, or process.
Furthermore, concentrated sulfated surfactant compositions can be chemically unstable at low pHs.

Method used

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  • Concentrated surfactant composition
  • Concentrated surfactant composition
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Examples

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examples

[0143]The present examples are representative of the present disclosure and are not intended to be limiting.

[0144]Chemical stability is determined by the relative change in sulfate ion (“sulfate”) concentration, before and after storage. Neat, undiluted samples of the product are prepared for storage by filling two thirds of a 250 mL wide-mouthed plastic jar (available from Nalgene) and sealing tightly with a polypropylene plastic lid. The filled, sealed jars are stored at 55° C. for 6 weeks, in darkness without agitation. Sulfate concentrations are measured in ppm (parts per million) of sulfate ion, determined before and after storage, according to the following method.

[0145]Sulfate ion concentration is assayed using high-performance anion-exchange liquid chromatography. The stationary phase used for separation is a commercially available anion exchange column, based on latex prepared with a glycidoxystyrene monomer quaternized with methlydiethanolamine. Detection of sulfate is ach...

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Abstract

Concentrated surfactant compositions, and more specifically, concentrated low pH compositions comprising sulfated surfactants. Methods of making and using the same.

Description

FIELD OF THE INVENTION[0001]The present disclosure relates to concentrated surfactant compositions, and more specifically, to concentrated low pH compositions comprising sulfated surfactants. The present disclosure also relates to methods of making and using the same.BACKGROUND OF THE INVENTION[0002]Concentrated surfactant compositions are desirable for a number of reasons. Concentrated surfactant compositions can be used neat, or they may be used to formulate other compositions, such as liquid laundry detergents. Concentrated compositions, with high levels of active ingredients, give the formulator flexibility. Lower levels of water can lead to lower transportation costs. Concentrated formulas may be useful in unitized dose compositions. Concentrated compositions may have a smaller ecological footprint as they use less packaging. However, concentrated compositions can lead to viscosity and stability challenges. For example, concentrated surfactant compositions may be too “thick” an...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): C11D1/12C11D3/20C11D1/29C11D11/00C11D1/14
CPCC11D1/12C11D1/146C11D11/0094C11D3/2075C11D3/2086C11D1/29
Inventor HOLDER, JAMES WILLIAMFRANKENBACH, GAYLE MARIEHODSON, STEPHEN JOSEPHVANHOUTTE, DIEDERIK EMIEL OMERWANING, GREGORY THOMAS
Owner THE PROCTER & GAMBLE COMPANY
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